4.7 Article

LINC00472 suppresses oral squamous cell carcinoma growth by targeting miR-455-3p/ELF3 axis

Journal

BIOENGINEERED
Volume 13, Issue 1, Pages 1162-1173

Publisher

TAYLOR & FRANCIS INC
DOI: 10.1080/21655979.2021.2018092

Keywords

Oral squamous cell carcinoma; LINC00472; miR-455-3p; ELF3; ceRNA

Funding

  1. Beijing Natural Science Foundation [7162075]
  2. National Natural Science Foundation of China [82071103, 81570958]

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The study reveals that LINC00472 inhibits the growth of oral squamous cell carcinoma (OSCC) through the miR-455-3p/ELF3 axis, suggesting that LINC00472 and its targeted miR-455-3p/ELF3 axis may serve as valuable therapeutic targets for treating OSCC.
LINC00472 is reported to play a role in suppressing tumors in cancers such as lung cancer and hepatocellular carcinoma, among others. We made investigations into the effects of LINC00472 in oral squamous cell carcinoma (OSCC) progression to explore the underlying molecular mechanisms. By qRT-PCR, we assessed the LINC00472 expression in OSCC tissues and cells and performed functional analysis to investigate how LINC00472/miR-455-3p/ELF3 impacts OSCC cell proliferation, apoptosis, and cell cycle. The role that LINC00472 plays in OSCC tumor growth was examined by establishing a xenograft model. Down-regulation of LINC00472 occurred in tissues and cells of an OSCC tumor. LINC00472 overexpression caused OSCC cell proliferation to be inhibited, cell apoptosis to be promoted, and cell cycle arrest to be induced. As a competing endogenous RNA (ceRNA), LINC00472 can block miR-455-3p function and further promote ELF3 expression. The overexpression of miR-455-3p or ELF3 knockdown was shown to be capable of reversing the anti-tumor effects of LINC00472 in OSCC. In vivo experiments confirmed the tumor-suppressing role of LINC00472 in the progression of OSCC. In short, we found that the novel LINC00472 inhibits OSCC growth via the miR-455-3p/ELF3 axis. LINC00472 and its targeted miR-455-3p/ELF3 axis may represent valuable targets for treating OSCC.

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